Great Falls Weather in 1978

Historical record of Great Falls, Montana weather for the year 1978 based on NOAA data.

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1978 Great Falls Weather Extremes
Highest temperature	99 °F	July 24
Lowest temperature	-24 °F	December 30
Highest daily low	63 °F	September 4
Lowest daily high	-10 °F	December 30
Most daily precipitation	1.3 inches	September 11
Most daily snow	8.6 inches	February 11
Total annual precipitation	19.2 inches	-
Total annual snow	72.4 inches	-

What was the hottest temperature in Great Falls in 1978?

The highest temperature recorded in Great Falls, Montana in 1978 was 99 °F which happened on July 24.

Highest Temperatures: All-Time By Year

Highest Temperatures in Great Falls in 1978

Rank	Temperature	Date
1	99 °F	Jul 24
2	96 °F	Aug 9
2	96 °F	Aug 6
2	96 °F	Aug 5
2	96 °F	Jul 26
6	95 °F	Sep 3
6	95 °F	Sep 2
6	95 °F	Aug 10
6	95 °F	Jul 15
10	94 °F	Jul 27
10	94 °F	Jul 23

What was the coldest temperature in Great Falls in 1978?

The lowest temperature recorded in Great Falls, Montana in 1978 was -24 °F which happened on Dec 30.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Great Falls in 1978

Rank	Temperature	Date
1	-24 °F	December 30
2	-22 °F	December 31
3	-21 °F	December 29
4	-20 °F	February 13
5	-19 °F	March 3
6	-17 °F	November 21
6	-17 °F	February 12
8	-16 °F	November 20
8	-16 °F	March 2
8	-16 °F	February 14

January 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	14	-10	0.00	0.0
January 2	24	8	0.00	0.0
January 3	21	-1	0.06	0.6
January 4	5	-5	0.01	0.1
January 5	8	-3	0.00	0.0
January 6	42	-4	0.00	0.0
January 7	-4	-12	0.07	0.7
January 8	1	-6	0.26	2.6
January 9	5	0	0.05	0.5
January 10	7	-3	0.01	0.1
January 11	33	-6	0.00	0.0
January 12	32	12	0.00	0.0
January 13	19	2	0.00	0.0
January 14	18	8	0.08	0.8
January 15	9	2	0.09	0.7
January 16	6	0	0.00	0.0
January 17	6	2	0.09	0.9
January 18	4	-5	0.04	0.4
January 19	0	-14	0.00	0.0
January 20	25	-7	0.00	0.0
January 21	35	22	0.00	0.0
January 22	35	15	0.00	0.0
January 23	25	10	0.03	0.3
January 24	32	14	0.05	0.5
January 25	14	6	0.19	2.5
January 26	19	7	0.16	2.4
January 27	21	5	0.16	2.0
January 28	6	0	0.08	1.1
January 29	6	-8	0.10	1.2
January 30	2	-15	0.00	0.0
January 31	0	-10	0.15	1.9

February 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	-4	-12	0.10	1.2
February 2	35	-12	0.00	0.0
February 3	42	-4	0.00	0.0
February 4	11	-6	0.00	0.0
February 5	28	7	0.00	0.0
February 6	40	15	0.00	0.0
February 7	38	20	0.00	0.0
February 8	23	5	0.02	0.2
February 9	12	-4	0.04	0.4
February 10	12	6	0.11	1.7
February 11	10	3	0.43	8.6
February 12	3	-17	0.06	0.6
February 13	-6	-20	0.00	0.0
February 14	1	-16	0.00	0.0
February 15	11	-3	0.01	0.2
February 16	22	-6	0.00	0.0
February 17	30	9	0.00	0.0
February 18	34	14	0.00	0.0
February 19	40	22	0.12	1.0
February 20	40	29	0.02	0.1
February 21	41	28	0.00	0.0
February 22	41	22	0.00	0.0
February 23	45	29	0.03	0.3
February 24	29	12	0.01	0.1
February 25	17	10	0.01	0.1
February 26	27	12	0.01	0.2
February 27	19	9	0.00	0.1
February 28	13	3	0.24	2.0

March 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	5	-13	0.02	0.2
March 2	-1	-16	0.01	0.1
March 3	-1	-19	0.00	0.0
March 4	27	-14	0.00	0.0
March 5	18	7	0.16	1.6
March 6	37	6	0.00	0.0
March 7	44	24	0.00	0.0
March 8	46	37	0.00	0.0
March 9	42	29	0.06	0.0
March 10	45	27	0.00	0.0
March 11	43	25	0.00	0.0
March 12	29	21	0.11	1.0
March 13	36	13	0.01	0.1
March 14	32	21	0.03	0.3
March 15	34	20	0.00	0.0
March 16	44	20	0.00	0.0
March 17	61	40	0.00	0.0
March 18	49	26	0.00	0.0
March 19	63	25	0.00	0.0
March 20	61	31	0.00	0.0
March 21	58	32	0.00	0.0
March 22	40	31	0.00	0.0
March 23	51	30	0.00	0.0
March 24	56	34	0.00	0.0
March 25	60	33	0.00	0.0
March 26	70	43	0.00	0.0
March 27	54	41	0.00	0.0
March 28	67	37	0.00	0.0
March 29	78	42	0.00	0.0
March 30	74	46	0.00	0.0
March 31	49	35	0.01	0.0

April 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	50	35	0.26	0.0
April 2	54	34	0.02	0.0
April 3	52	31	0.00	0.0
April 4	61	28	0.00	0.0
April 5	54	32	0.00	0.0
April 6	37	29	0.02	0.2
April 7	44	31	0.02	0.2
April 8	62	32	0.00	0.0
April 9	54	29	0.00	0.0
April 10	66	34	0.00	0.0
April 11	58	34	0.00	0.0
April 12	50	27	0.00	0.0
April 13	54	22	0.00	0.0
April 14	55	26	0.00	0.0
April 15	52	32	0.00	0.0
April 16	61	33	0.24	0.8
April 17	42	33	0.12	1.2
April 18	47	32	0.27	1.2
April 19	54	34	0.00	0.0
April 20	56	36	0.01	0.0
April 21	44	33	0.34	1.4
April 22	54	29	0.00	0.0
April 23	53	26	0.00	0.0
April 24	64	26	0.00	0.0
April 25	65	35	0.00	0.0
April 26	60	44	0.16	0.0
April 27	62	42	0.05	0.0
April 28	67	42	0.00	0.0
April 29	58	43	0.00	0.0
April 30	62	45	0.25	0.0

May 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	63	43	0.13
May 2	64	44	0.07
May 3	55	34	0.05
May 4	51	30	0.00
May 5	44	34	0.45
May 6	50	40	0.23
May 7	54	37	0.10
May 8	64	32	0.00
May 9	71	45	0.01
May 10	66	46	0.05
May 11	59	42	0.00
May 12	60	38	0.00
May 13	73	45	0.00
May 14	81	43	0.00
May 15	77	41	0.21
May 16	60	41	0.07
May 17	51	44	0.28
May 18	50	44	0.59
May 19	65	43	0.00
May 20	74	44	0.00
May 21	76	51	0.04
May 22	71	43	0.01
May 23	56	40	0.11
May 24	60	36	0.01
May 25	60	34	0.00
May 26	65	42	0.00
May 27	69	37	0.00
May 28	71	47	0.00
May 29	62	36	0.00
May 30	56	37	0.14
May 31	47	40	0.65

June 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	62	42	0.00
June 2	71	37	0.00
June 3	77	43	0.00
June 4	80	48	0.00
June 5	86	50	0.00
June 6	74	47	0.00
June 7	82	46	0.00
June 8	84	52	0.00
June 9	82	55	0.00
June 10	69	51	0.00
June 11	67	44	0.20
June 12	77	38	0.00
June 13	84	52	0.00
June 14	76	50	0.22
June 15	69	47	0.00
June 16	68	45	0.00
June 17	78	51	0.00
June 18	85	45	0.87
June 19	58	40	0.09
June 20	76	44	0.00
June 21	84	47	0.00
June 22	83	57	0.14
June 23	76	52	0.00
June 24	79	50	0.43
June 25	63	50	0.35
June 26	73	51	0.00
June 27	79	51	0.00
June 28	89	51	0.00
June 29	88	56	0.17
June 30	83	57	0.09

July 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	81	53	0.00
July 2	81	57	0.02
July 3	76	52	0.31
July 4	62	50	0.13
July 5	65	53	0.93
July 6	73	48	0.00
July 7	82	50	0.00
July 8	61	53	0.04
July 9	79	51	0.00
July 10	84	55	0.12
July 11	78	49	0.00
July 12	75	47	0.00
July 13	87	52	0.00
July 14	89	55	0.00
July 15	95	59	0.04
July 16	87	58	0.06
July 17	66	55	0.04
July 18	69	50	0.10
July 19	68	51	0.00
July 20	75	45	0.00
July 21	79	46	0.00
July 22	84	49	0.00
July 23	94	51	0.00
July 24	99	61	0.00
July 25	91	57	0.00
July 26	96	53	0.00
July 27	94	61	0.00
July 28	84	58	0.00
July 29	87	57	0.00
July 30	90	53	0.02
July 31	87	50	0.18

August 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	75	48	0.02
August 2	66	48	0.03
August 3	80	44	0.00
August 4	91	48	0.00
August 5	96	57	0.00
August 6	96	57	0.00
August 7	93	62	0.00
August 8	89	60	0.00
August 9	96	57	0.00
August 10	95	58	0.00
August 11	91	63	0.00
August 12	90	54	0.00
August 13	69	55	0.01
August 14	76	53	0.09
August 15	81	56	0.04
August 16	72	46	0.10
August 17	50	43	0.27
August 18	72	45	0.00
August 19	74	55	0.07
August 20	76	50	0.10
August 21	81	48	0.00
August 22	78	52	0.30
August 23	74	52	0.00
August 24	86	46	0.00
August 25	89	52	0.00
August 26	74	56	0.00
August 27	75	54	0.01
August 28	79	43	0.00
August 29	78	47	0.00
August 30	82	48	0.00
August 31	81	58	0.00

September 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	84	60	0.00
September 2	95	54	0.00
September 3	95	54	0.00
September 4	93	63	0.00
September 5	79	58	0.40
September 6	81	58	0.05
September 7	81	58	0.00
September 8	69	55	0.00
September 9	83	52	0.00
September 10	72	53	0.14
September 11	53	44	1.29
September 12	44	39	0.66
September 13	65	39	0.01
September 14	73	44	0.00
September 15	69	42	0.00
September 16	58	36	0.00
September 17	56	31	0.00
September 18	44	36	0.01
September 19	52	35	0.00
September 20	60	37	0.00
September 21	70	40	0.00
September 22	71	45	0.00
September 23	75	48	0.00
September 24	78	42	0.00
September 25	82	54	0.00
September 26	70	45	0.00
September 27	85	42	0.00
September 28	60	41	0.00
September 29	68	44	0.00
September 30	75	40	0.00

October 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	64	41	0.05
October 2	58	34	0.00
October 3	65	39	0.00
October 4	59	34	0.00
October 5	59	27	0.00
October 6	65	29	0.00
October 7	77	33	0.00
October 8	72	39	0.00
October 9	76	41	0.00
October 10	66	52	0.00
October 11	62	40	0.00
October 12	54	29	0.00
October 13	55	25	0.00
October 14	73	30	0.00
October 15	70	33	0.00
October 16	72	47	0.00
October 17	53	37	0.10
October 18	65	36	0.00
October 19	72	49	0.00
October 20	70	51	0.00
October 21	52	34	0.09
October 22	54	29	0.00
October 23	65	48	0.00
October 24	64	25	0.00
October 25	55	25	0.00
October 26	66	40	0.00
October 27	52	37	0.00
October 28	60	34	0.00
October 29	48	26	0.03
October 30	48	24	0.00
October 31	55	29	0.00

November 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	66	46	0.00	0.0
November 2	68	44	0.00	0.0
November 3	61	44	0.00	0.0
November 4	61	30	0.00	0.0
November 5	47	22	0.00	0.0
November 6	55	32	0.00	0.0
November 7	65	52	0.00	0.0
November 8	59	26	0.05	0.4
November 9	27	6	0.42	3.9
November 10	7	0	0.06	0.5
November 11	4	-3	0.00	0.0
November 12	12	2	0.22	2.0
November 13	20	5	0.08	0.8
November 14	25	10	0.00	0.0
November 15	33	19	0.00	0.0
November 16	38	28	0.00	0.0
November 17	38	-2	0.05	0.6
November 18	-2	-8	0.15	2.1
November 19	-5	-7	0.32	4.6
November 20	-1	-16	0.04	0.5
November 21	5	-17	0.00	0.0
November 22	23	-1	0.00	0.0
November 23	32	21	0.00	0.0
November 24	33	20	0.00	0.0
November 25	29	12	0.00	0.0
November 26	30	12	0.04	1.0
November 27	34	18	0.00	0.0
November 28	37	25	0.00	0.0
November 29	32	17	0.00	0.0
November 30	38	21	0.01	0.1

December 1978 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	21	-8	0.28	2.7
December 2	10	-15	0.00	0.0
December 3	45	9	0.00	0.0
December 4	42	19	0.46	5.0
December 5	21	10	0.04	0.4
December 6	15	-4	0.00	0.0
December 7	12	-1	0.00	0.0
December 8	22	4	0.00	0.0
December 9	34	22	0.00	0.0
December 10	34	25	0.00	0.0
December 11	42	31	0.00	0.0
December 12	32	14	0.05	0.9
December 13	33	19	0.00	0.0
December 14	39	27	0.00	0.0
December 15	32	20	0.00	0.0
December 16	32	19	0.00	0.0
December 17	40	23	0.00	0.0
December 18	33	13	0.00	0.0
December 19	29	9	0.00	0.0
December 20	34	13	0.00	0.0
December 21	37	19	0.01	0.1
December 22	39	23	0.00	0.0
December 23	39	10	0.00	0.0
December 24	42	23	0.00	0.0
December 25	26	11	0.00	0.0
December 26	24	8	0.00	0.0
December 27	22	-2	0.12	1.4
December 28	-1	-11	0.07	0.7
December 29	-10	-21	0.00	0.0
December 30	-10	-24	0.00	0.0
December 31	1	-22	0.02	0.3

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Weather Station Details

Years	Station	Coordinates
1937–2024	Great Falls International Airport	location
1892–1937	Great Falls 16th Street	location